This report contains six papers prepared for the California State Postsecondary Education Commission as part of the Commission's long-range planning responsibilities during 89-90 and as background for the Commission's January 1990 report, "Higher Education at the Crossroads. Planning for the Twenty-First Century." The first paper explains the Commission's role in long-range planning for education beyond high school in California and then reviews how enrollment and capital outlay planning is currently conducted. The second paper describes how California's three public segments of higher education and the Commission have estimated the cost of building new campuses. The third paper explains how the Commission has calculated annual per-student costs of operating California's public colleges and universities. The fourth paper reviews national and State evidence about the financial and educational impact of year-round operation through State-supported summer-quarter programs. The fifth paper reports on the capacity of member institutions of the Association of Independent California Colleges and Universities to enroll more California students and the cost implications for the State of encouraging this enrollment. The last paper describes examples in several states of two-year and four-year colleges and universities sharing sites and facilities. Papers are usually referenced and contain supplementary materials where appropriate. (GLR)